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Segment Reporting
 9 Months Ended
Sep. 30, 2013
Segment Reporting
12. Segment Reporting

The Company views its operations, makes decisions regarding how to allocate resources and manages its business as one operating segment. As a result, the financial information disclosed herein represents all of the material financial information related to the Company’s principal operating segment.

The following table represents the Company’s total revenue by geographic area (based on the location of the customer):

 

     Three months ended
September 30,		     Nine months ended
September 30,		  
     2013     2012     2013     2012  

United States

      56 %      41 %      51 %      41 % 

Sweden

      31 %      49 %      35 %      46 % 

United Kingdom

      9 %      7 %      11 %      10 % 

Other

      4 %      3 %      3 %      3 % 
  

 

 

    

 

 

    

 

 

    

 

 

  

Total

      100 %      100 %      100 %      100 % 
  

 

 

    

 

 

    

 

 

    

 

 

  

Revenue from significant customers as a percentage of the Company’s total revenue is as follows:

 

     Three months ended
September 30,		     Nine months ended
September 30,		  
     2013     2012     2013     2012  

Orencia® Royalties from Bristol

      26 %      26 %      25 %      24 % 

Bioprocessing Customer A

      28 %      49 %      35 %      46 % 

Bioprocessing Customer B

      10 %      8 %      12 %      11 % 

Bioprocessing Customer C

      20 %      12 %      15 %      12 % 

Significant accounts receivable balances as a percentage of the Company’s total trade accounts receivable and royalties and other receivables balances are as follows:

 

     September 30,
2013		     December 31,
2012		  

Orencia® Royalties from Bristol

      37 %      31 % 

Bioprocessing Customer A

      20 %      21 % 

Bioprocessing Customer B

      8 %      4 % 

Bioprocessing Customer C

      15 %      5 % 

Tenant improvement allowance due from landlord

      14 %      —    

Pfizer

      1 %      38 %